Flexible funnel for a 5l canister

Material: PP (Polypropylene)
It can handle acetone (in this case - nut also should be printed with PP).

Thread - suits most of 5l (or ever 10l) popular canisters.

Funnel.stl - entire detail with specified wall thicknesses

If you want print in vase mode, use Funnel_full_*.stl. One file is full funnel to use vase mode and second is bottom ring to add (in slicer) as full part (this cannot be printed as vase).